CHEM 120 Final Exam (Questions and Answers)

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CHEM 120 Final Exam (Questions and Answers) CHEM 120 Final Exam 1. Question: (TCO 12) Transcription is the process by which DNA passes information to (Pts. : 5) another strand of DNA. ... transfer RNA. ribosomal RNA. messenger RNA. a new cell. 2. Question: (TCO 12) The portion of an enzyme where the substrate “fits” during the reaction is called the (Pts. : 5) active site. action site. reaction site. substrate site. inhibitor site. 3. Question: (TCO 12) Which of the following is not an unsaturated fatty acid? (Pts. : 5) CH3CH2CH2CH=CHCOOH CH3CH=CHCH=CHCOOH CH3CH2CH2CH2CH2COOH CH3CH2CH2CH2CH2CH=CHCOOH CH3CH=CHCH2CH=CHCOOH 4. Question: (TCO 12) The helical structure of certain proteins, such as wool, is a part of the protein’s (Pts. : 5) primary structure. secondary structure. tertiary structure. primary and secondary structures. secondary and tertiary structures. 5. Question: (TCO 12) Which of the following is a disaccharide? (Pts. : 5) Cellulose Starch Fructose Galactose Lactose 6. Question: (TCO 12) In cells, protein synthesis occurs on the (Pts. : 5) Golgi apparatus. mitochondria. nucleus. cytoplasm. ribosomes. 7. Question: (TCO 12) Which of the following is a monosaccharide? (Pts. : 5) Cellulose Starch Galactose Mannose Lactose 8. Question: (TCO 4) The best description of the shape of an ammonia molecule is _____. (Pts. : 5) linear pyramidal bent tetrahedral None of the above 9. Question: (TCO 4) Which of the following substances does not have polar covalent bonds? (Pts. : 5) CO2 Br2 CH4 NF3 10. Question: (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid? H2CO3 + H2O -> H3O+ + HCO3- (Pts. : 5) H2O HCO3- H2CO3 H3O+ None of the above ............continued........ [Show More]

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